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Let f(x)=a+b|x|+c|x|^4 , where a , ba n ...

Let `f(x)=a+b|x|+c|x|^4` , where `a , ba n dc` are real constants. Then, `f(x)` is differentiable at `x=0,` if `a=0` (b) `b=0` (c) `c=0` (d) none of these

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  3. Let f(x)=a+b|x|+c|x|^4 , where a , ba n dc are real constants. Then, f...

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  10. Is |sinx| differentiable? What about cos|x|?

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  11. Find the values of aa n db so that the function f(x)={x^2+3x+a ,ifxlt=...

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  14. If y = (x-1)log(x-1)-(x+1)log(x+1), prove that : dy/dx = log((x-1)/(1+...

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  15. The set of points where the function f(x)=x|x| is differentiable is ...

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  16. The function f(x)=sin^(-1)(cosx) is (a) . discontinuous at x=0 (b). ...

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  18. If f(x) = sqrt(1-(sqrt1-x^2)) , then f(x) is (a)continuous on [-1, ...

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  19. If f(x)=a|sinx|+be^|x|+c|x|^3 and if f(x) is differentiable at x=0 the...

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  20. Solve the following equation for x : cos(tan^-1 x) = sin(cot^-1(3/4))

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